[lttng-dev] Difference in metadata between per-PID and per-UIDtraces
Mathieu Desnoyers
mathieu.desnoyers at efficios.com
Tue Sep 10 16:31:12 EDT 2013
* Thibault, Daniel (Daniel.Thibault at drdc-rddc.gc.ca) wrote:
> -----Message d'origine-----
> De : Mathieu Desnoyers [mailto:mathieu.desnoyers at efficios.com]
> Envoyé : 10 septembre 2013 16:18
>
> > > And why is "tracer_patchlevel" dropped alongside the process-related attributes?
> >
> > Because different processes could use different tracer versions.
>
> How is such a situation handled in the per-UID case?
There are version checks for each application. We don't keep this
information in the trace metadata, because it is shared across apps.
Thanks,
Mathieu
>
> Daniel U. Thibault
> Protection des systèmes et contremesures (PSC) | Systems Protection & Countermeasures (SPC)
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--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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